18854836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 47077632

約数和(自身を除く): 28222796

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 68, 77, 91, 119, 143, 154, 182, 187, 221, 238, 277, 286, 308, 364, 374, 442, 476, 554, 572, 748, 884, 1001, 1108, 1309, 1547, 1939, 2002, 2431, 2618, 3047, 3094, 3601, 3878, 4004, 4709, 4862, 5236, 6094, 6188, 7202, 7756, 9418, 9724, 12188, 14404, 17017, 18836, 21329, 25207, 32963, 34034, 39611, 42658, 50414, 51799, 61217, 65926, 68068, 79222, 85316, 100828, 103598, 122434, 131852, 158444, 207196, 244868, 277277, 362593, 428519, 554554, 673387, 725186, 857038, 1109108, 1346774, 1450372, 1714076, 2693548, 4713709, 9427418, 18854836]

約数ペア:

[(1, 18854836), (2, 9427418), (4, 4713709), (7, 2693548), (11, 1714076), (13, 1450372), (14, 1346774), (17, 1109108), (22, 857038), (26, 725186), (28, 673387), (34, 554554), (44, 428519), (52, 362593), (68, 277277), (77, 244868), (91, 207196), (119, 158444), (143, 131852), (154, 122434), (182, 103598), (187, 100828), (221, 85316), (238, 79222), (277, 68068), (286, 65926), (308, 61217), (364, 51799), (374, 50414), (442, 42658), (476, 39611), (554, 34034), (572, 32963), (748, 25207), (884, 21329), (1001, 18836), (1108, 17017), (1309, 14404), (1547, 12188), (1939, 9724), (2002, 9418), (2431, 7756), (2618, 7202), (3047, 6188), (3094, 6094), (3601, 5236), (3878, 4862), (4004, 4709)]